/*  
 *  Copyright 2006 Paul Jack.
 *
 *  This file is part of the Dex compiler suite. 
 *  
 *  Dex is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 *  
 *  Dex is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 *  Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
package dex.compiler.model.expression;

import dex.compiler.model.base.Place;


/**
 * An identifier expression, like <code>x</code>.  The identifier may refer
 * to a local variable, a toplevel variable, or be a function name.
 */
public class IdentifierExpression extends Expression {
	

	/**
	 * The identifier.
	 */
	private String identifier;
	

	/**
	 * Constructs a new identifier expression.
	 * 
	 * @param place  the place where this identifier originated
	 * @param identifier  the identifier
	 */
	public IdentifierExpression(Place place, String identifier) {
		super(place);
		this.identifier = identifier;
	}

	@Override
	public String toString() {
		return identifier;
	}


	/**
	 * Returns the identifier.
	 * 
	 * @return the identifer
	 */
	public String getIdentifier() {
		return identifier;
	}


	/**
	 * Accepts a visit.
	 * 
	 * @param visitor  the visitor to accept
	 */
	public void accept(ExpressionVisitor visitor) {
		visitor.visitIdentifierExpression(this);
	}


}
